4) acoustic parameters
声学参数
1.
PAA phantom for use in thermal ablation of high intensity focused ultrasound: Phantom fabrication and acoustic parameters measurements;
用于高强度聚焦超声热消融的PAA模块:模块的制作及声学参数的测量(英文)
2.
Effects of acoustic parameters of power ultrasound on wastewater treatment efficiency;
功率超声的声学参数对废水处理效果的影响
3.
The relations between the changing trends of acoustic parameters and the evolvement of damage during the process of loading are discussed.
利用超声波技术对不同水灰比的混凝土立方体试块和棱柱体试块的损伤特性进行了试验研究,讨论了加载过程中声学参数变化与混凝土损伤演化规律之间的关系。
5) Acoustic parameter
声学参数
1.
Objective To study the acoustic parameters of normal adults in 4 phonation modes.
目的研究正常成人在四种发声方式下各声学参数的变化。
2.
The acoustic parameters of rock samples under dry and water-saturated conditions are tested with ultrasonic method.
通过纵、横波透射测试得到了岩石内部结构的一些信息,对致密板岩、花岗片麻岩、黑云母片麻岩的声学参数进行了研究。
3.
Crosshole sonic logging is a kind of foundation pile test method which is used to test to pile integrity acoording to eradiate and receive waves via pipes of ultrasonic buried beforehand and to analys the measured ultrasonic s frequency, amplitude and the other acoustic parameters which relative changed during the propagation in concrete.
声波透射法是在预埋声测管之间发射并接收声波，通过实测声波在混凝土介质中传播的声时、频率和波幅衰减等声学参数的相对变化，对桩身完整性进行检测的一种基桩测试方法。
6) parameter noise
参数噪声
1.
The effects of partial reaction parameter noise on one dimensional coupled map lattices have been studied in this paper The numerical comparison of the maximum Lyapunov exponent of systems against the maximum Lyapunov exponent of noise systems has been carried out It has been found that noise can induce order or induce chaos by different parameter
研究一维对称耦合映象格子受局部反应参数噪声的影响 ,并对系统最大 L yapunov指数与加入噪声的系统最大 L yapunov指数进行数值比较 ,发现在不同参数下 ,噪声既可诱导有序 ,也可诱导混
补充资料：A型超声诊断仪
A型超声诊断仪
属于一维图像，是幅度调制型，以单声束界面回波的幅度，反映一个方向的图像，以波幅的高低来表示，可测量组织界面的深度。其缺点是遇有复杂病变，一维图像难以解释，其优点是测量距离准确。目前已很少用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条